in English is:

polystyrene

Mutations

Soft:bolystyren
Nasal:mholystyren
Aspirate:pholystyren

Use

y polystyren hwn
fy mholystyren i
dy bolystyren di
ei bolystyren ef/o
ei pholystyren hi
ein polystyren ni
eich polystyren chi
eu polystyren nhw/hwy
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